:root {
  color-scheme: light;
  --ink: #16302b;
  --ink-strong: #081f1a;
  --muted: #5f6f6b;
  --paper: #ffffff;
  --mist: #f4f8f5;
  --line: #d9e5de;
  --line-strong: #b8cdc3;
  --teal: #0e7c66;
  --teal-dark: #075747;
  --mint: #dff2e7;
  --coral: #e76f51;
  --coral-ink: #c0482b; /* 明背景のラベル文字用(WCAG AA: 白上5.0:1 / mist上4.66:1) */
  --amber: #f2b84b;
  --plum: #7a4e78;
  --shadow: 0 24px 70px rgba(8, 31, 26, 0.16);
  --shadow-soft: 0 12px 38px rgba(8, 31, 26, 0.08);
  --header-height: 72px;
  --section-y: 104px;
  --section-y-mobile: 72px;
  --scroll-offset: 88px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(242, 184, 75, 0.55);
  outline-offset: 3px;
}

button,
input,
select,
textarea {
  font: inherit;
}

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-150%);
  background: var(--paper);
  border: 2px solid var(--teal);
  border-radius: var(--radius);
  color: var(--ink);
  font-weight: 700;
  padding: 8px 12px;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding: 0 max(20px, calc((100vw - 1120px) / 2));
  background: rgba(8, 31, 26, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: #fff;
  backdrop-filter: blur(16px);
  transition:
    background 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(8, 31, 26, 0.95);
  box-shadow: 0 12px 40px rgba(8, 31, 26, 0.18);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  line-height: 1;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 7px;
  background: var(--coral);
  color: #fff;
  font-weight: 900;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a {
  opacity: 0.9;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
}

.nav-cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 6px;
  background: #fff;
  color: var(--ink-strong);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 160ms ease,
    opacity 160ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 84svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ink-strong);
  color: #fff;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 31, 26, 0.9) 0%, rgba(5, 31, 26, 0.68) 48%, rgba(5, 31, 26, 0.16) 100%),
    linear-gradient(0deg, rgba(5, 31, 26, 0.45) 0%, rgba(5, 31, 26, 0.06) 58%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 128px 0 72px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.5;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffd1c4;
}

/* 明背景セクションの eyebrow は WCAG AA を満たす濃いコーラルへ
   (hero=暗背景は #ffd1c4 / contact-section=暗背景は base coral のまま) */
.section .eyebrow {
  color: var(--coral-ink);
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: 3.4rem;
  line-height: 1.12;
  font-weight: 900;
}

.product-origin {
  width: fit-content;
  margin: 14px 0 0;
  border-left: 4px solid var(--amber);
  padding-left: 12px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.94rem;
  font-weight: 900;
}

.hero-lead {
  max-width: 690px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.12rem;
  line-break: strict;
}

.hero-lead span {
  display: block;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border: 0;
  border-radius: 6px;
  padding: 0 20px;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.1;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.button::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--coral);
  color: #fff;
  box-shadow: 0 16px 38px rgba(231, 111, 81, 0.28);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #d95f43;
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-weight: 800;
}

.signal-band {
  background: var(--ink-strong);
  color: #fff;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
}

.signal-grid p {
  min-height: 108px;
  margin: 0;
  padding: 22px 18px;
  background: rgba(255, 255, 255, 0.06);
}

.signal-grid strong,
.signal-grid span {
  display: block;
}

.signal-grid strong {
  color: var(--amber);
  font-size: 0.9rem;
}

.signal-grid span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.95rem;
  line-height: 1.55;
}

.command-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.decision-board {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fbfdfb;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.decision-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 62px;
  padding: 0 18px;
  background: var(--ink-strong);
  color: #fff;
}

.decision-header span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  font-weight: 800;
}

.decision-list {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.decision-item {
  display: grid;
  grid-template-columns: 98px minmax(0, 1fr) 58px;
  gap: 16px;
  align-items: start;
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  border-radius: var(--radius);
  background: #fff;
  padding: 16px;
}

.decision-high {
  border-left-color: var(--coral);
}

.decision-mid {
  border-left-color: var(--amber);
}

.priority {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  background: var(--mist);
  color: var(--teal-dark);
  font-size: 0.74rem;
  font-weight: 900;
}

.decision-item h3 {
  margin: 0 0 8px;
  color: var(--ink-strong);
  font-size: 1rem;
  line-height: 1.45;
}

.decision-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.decision-item > strong {
  justify-self: end;
  display: grid;
  min-width: 46px;
  min-height: 34px;
  place-items: center;
  border-radius: 5px;
  background: var(--mint);
  color: var(--teal-dark);
  font-size: 0.8rem;
}

.section {
  padding: var(--section-y) 0;
  scroll-margin-top: var(--scroll-offset);
}

.section-light {
  background: var(--mist);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading.narrow {
  max-width: 690px;
}

.section-heading h2,
.operations-header h2,
.contact-layout h2 {
  margin: 0;
  color: var(--ink-strong);
  font-size: 2.5rem;
  line-height: 1.28;
  font-weight: 900;
}

.section-heading p:not(.eyebrow),
.operations-header p:not(.eyebrow),
.contact-layout p {
  margin: 18px 0 0;
  color: var(--muted);
}

.issue-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.issue-card,
.research-card,
.gap-card,
.asset-card,
.loss-card,
.operation-card,
.plan-card,
.command-stack article,
details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.issue-card {
  min-height: 326px;
  padding: 24px;
}

.issue-card-wide {
  grid-column: span 2;
}

.card-number {
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 900;
}

.issue-card h3,
.solution-item h3,
.timeline-item h3,
.operation-card h3,
.plan-card h3,
.insight-box h3 {
  margin: 10px 0 12px;
  color: var(--ink-strong);
  font-size: 1.14rem;
  line-height: 1.45;
}

.issue-card li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.issue-card li + li {
  margin-top: 10px;
}

.issue-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.research-card {
  min-height: 330px;
  padding: 24px;
}

.research-card h3,
.gap-card h3 {
  margin: 10px 0 12px;
  color: var(--ink-strong);
  font-size: 1.12rem;
  line-height: 1.45;
}

.research-card p,
.gap-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.research-gap {
  margin-top: 16px !important;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--teal-dark) !important;
  font-weight: 800;
}

.matrix-wrapper {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.operations-matrix {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  text-align: left;
}

.operations-matrix th,
.operations-matrix td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.operations-matrix thead th {
  background: var(--ink-strong);
  color: #fff;
  font-size: 0.92rem;
}

.operations-matrix tbody th {
  width: 180px;
  color: var(--ink-strong);
  font-weight: 900;
}

.operations-matrix td {
  color: var(--muted);
}

.operations-matrix td strong {
  color: var(--teal-dark);
}

.operations-matrix tr:last-child th,
.operations-matrix tr:last-child td {
  border-bottom: 0;
}

.gap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.gap-card {
  padding: 24px;
}

.flow-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 52px minmax(260px, 0.82fr) 52px minmax(0, 1fr);
  gap: 0;
  align-items: center;
}

.flow-column,
.flow-core {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 24px;
}

.flow-column h3,
.flow-core h3,
.loss-card h3,
.diagnosis-output h3 {
  margin: 0 0 14px;
  color: var(--ink-strong);
  font-size: 1.14rem;
  line-height: 1.4;
}

.flow-column {
  display: grid;
  gap: 10px;
}

.flow-column span {
  min-height: 38px;
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--mist);
  padding: 0 12px;
  color: var(--ink);
  font-weight: 800;
}

.flow-core {
  display: grid;
  place-items: center;
  min-height: 280px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(223, 242, 231, 0.78), rgba(255, 255, 255, 0)),
    var(--paper);
  box-shadow: var(--shadow);
}

.flow-core .brand-mark {
  width: 46px;
  height: 46px;
  margin-bottom: 8px;
}

.flow-core p {
  margin: 0;
  color: var(--muted);
}

.flow-arrow {
  position: relative;
  height: 2px;
  background: var(--line-strong);
}

.flow-arrow::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--line-strong);
  border-bottom: 2px solid var(--line-strong);
  transform: translateY(-50%) rotate(-45deg);
}

.flow-output span {
  background: rgba(14, 124, 102, 0.08);
  color: var(--teal-dark);
}

.loss-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 0.46fr);
  gap: 34px;
  align-items: start;
}

.loss-layout .section-heading {
  grid-column: 1 / -1;
  margin-bottom: 8px;
}

.loss-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.loss-card {
  background:
    linear-gradient(180deg, rgba(242, 184, 75, 0.14), rgba(255, 255, 255, 0) 52%),
    var(--paper);
  padding: 24px;
  min-height: 204px;
}

.loss-card span {
  color: var(--coral-ink);
  font-size: 0.82rem;
  font-weight: 900;
}

.loss-card p {
  margin: 0;
  color: var(--muted);
}

.diagnosis-output {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink-strong);
  color: #fff;
  padding: 24px;
  position: sticky;
  top: 96px;
}

.diagnosis-output h3 {
  color: #fff;
}

.diagnosis-output li {
  position: relative;
  margin-top: 12px;
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.82);
}

.diagnosis-output li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 2px;
  background: var(--amber);
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.asset-card {
  position: relative;
  min-height: 280px;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(223, 242, 231, 0.62), rgba(255, 255, 255, 0) 48%),
    var(--paper);
}

.asset-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 5px;
  background: var(--ink-strong);
  color: #fff;
  padding: 0 9px;
  font-size: 0.75rem;
  font-weight: 900;
}

.asset-card h3 {
  margin: 14px 0 12px;
  color: var(--ink-strong);
  font-size: 1.18rem;
  line-height: 1.42;
}

.asset-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.solution-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 56px;
  align-items: start;
}

.solution-list {
  border-top: 1px solid var(--line);
}

.solution-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.solution-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 7px;
  background: var(--mint);
  color: var(--teal-dark);
  font-size: 0.8rem;
  font-weight: 900;
}

.solution-item p {
  margin: 0;
  color: var(--muted);
}

.demo-panel {
  position: sticky;
  top: 96px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fbfdfb;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 62px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-strong);
  color: #fff;
}

.demo-header span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  font-weight: 800;
}

.schedule {
  display: grid;
  grid-template-columns: 58px repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 18px;
}

.time-col,
.day-col {
  display: grid;
  grid-template-rows: 28px repeat(4, 44px);
  gap: 8px;
}

.time-col {
  padding-top: 36px;
  grid-template-rows: repeat(4, 44px);
}

.time-col span {
  color: var(--muted);
  font-size: 0.78rem;
}

.day-col strong {
  display: grid;
  place-items: center;
  height: 28px;
  border-radius: 5px;
  background: var(--mist);
  color: var(--ink);
  font-size: 0.78rem;
}

.slot {
  display: grid;
  min-width: 0;
  min-height: 44px;
  place-items: center;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 900;
}

.slot-muted {
  border: 1px dashed var(--line-strong);
  background: #f8faf8;
}

.slot-coral {
  background: rgba(231, 111, 81, 0.18);
}

.slot-green {
  background: rgba(14, 124, 102, 0.18);
}

.slot-amber {
  background: rgba(242, 184, 75, 0.28);
}

.slot-gap {
  border: 1px solid rgba(231, 111, 81, 0.6);
  background: rgba(231, 111, 81, 0.12);
  color: #b9482f;
}

.insight-box {
  margin: 0 18px 18px;
  padding: 18px;
  border-left: 4px solid var(--coral);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: #fff;
}

.insight-label {
  margin: 0;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
}

.insight-box p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.command-stack {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.command-stack article {
  padding: 16px;
}

.command-stack h3 {
  margin: 8px 0 8px;
  color: var(--ink-strong);
  font-size: 1rem;
  line-height: 1.45;
}

.command-stack p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.command-label {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 5px;
  padding: 0 8px;
  color: #fff;
  font-size: 0.74rem;
  font-weight: 900;
}

.label-coral {
  background: var(--coral);
}

.label-green {
  background: var(--teal);
}

.label-plum {
  background: var(--plum);
}

.section-split {
  background:
    linear-gradient(90deg, rgba(223, 242, 231, 0.64), rgba(255, 255, 255, 0) 52%),
    var(--paper);
}

.workflow-layout,
.faq-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1fr);
  gap: 70px;
  align-items: start;
}

.sticky-heading {
  position: sticky;
  top: 104px;
  margin-bottom: 0;
}

.timeline {
  border-left: 2px solid var(--line);
}

.timeline-item {
  position: relative;
  padding: 0 0 36px 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 7px;
  width: 14px;
  height: 14px;
  border: 3px solid var(--paper);
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 1px var(--teal);
}

.timeline-item span {
  color: var(--plum);
  font-size: 0.8rem;
  font-weight: 900;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
}

.operations-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 34px;
}

.operations-header > div {
  max-width: 760px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-height: 44px;
  color: var(--teal-dark);
  font-weight: 900;
}

.text-link::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
}

.operations-grid,
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.operation-card {
  padding: 24px;
  min-height: 210px;
}

.operation-card:nth-child(2) {
  border-top: 4px solid var(--coral);
}

.operation-card:nth-child(4) {
  border-top: 4px solid var(--amber);
}

.operation-card:nth-child(6) {
  border-top: 4px solid var(--plum);
}

.operation-card p {
  margin: 0;
  color: var(--muted);
}

.plan-card {
  padding: 26px;
  min-height: 330px;
}

.featured-plan {
  border-color: var(--teal-dark);
  background: var(--ink-strong);
  color: #fff;
  box-shadow: var(--shadow);
}

.plan-kicker {
  margin: 0;
  color: var(--coral-ink);
  font-size: 0.82rem;
  font-weight: 900;
}

.featured-plan .plan-kicker {
  color: var(--amber);
}

.plan-card p:not(.plan-kicker) {
  color: var(--muted);
}

.featured-plan h3,
.featured-plan p:not(.plan-kicker) {
  color: #fff;
}

.plan-card li {
  position: relative;
  margin-top: 12px;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.featured-plan li {
  color: rgba(255, 255, 255, 0.82);
}

.plan-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 2px;
  background: var(--teal);
}

.featured-plan li::before {
  background: var(--amber);
}

.faq-list {
  display: grid;
  gap: 12px;
}

summary {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 20px;
  cursor: pointer;
  color: var(--ink-strong);
  font-weight: 900;
}

summary::after {
  content: "";
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-right: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(45deg);
  transition: transform 160ms ease;
}

details[open] summary::after {
  transform: rotate(225deg);
}

details p {
  margin: 0;
  padding: 0 20px 22px;
  color: var(--muted);
}

.contact-section {
  padding: var(--section-y) 0;
  background:
    linear-gradient(90deg, rgba(8, 31, 26, 0.94), rgba(8, 31, 26, 0.78)),
    var(--ink-strong);
  color: #fff;
  scroll-margin-top: var(--scroll-offset);
}

.contact-layout h2 {
  color: #fff;
}

.contact-layout p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-form {
  display: grid;
  gap: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  padding: 24px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.92rem;
  font-weight: 800;
}

.contact-form input,
.contact-form select {
  min-height: 48px;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink-strong);
  padding: 0 12px;
}

.contact-form input:focus,
.contact-form select:focus {
  outline: 3px solid rgba(242, 184, 75, 0.42);
  outline-offset: 2px;
}

.form-button {
  width: 100%;
  margin-top: 4px;
}

.form-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.86rem;
}

.site-footer {
  padding: 30px 0;
  background: #061713;
  color: rgba(255, 255, 255, 0.78);
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-layout p {
  margin: 0;
  text-align: right;
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .hero h1 {
    font-size: 2.6rem;
  }

  .signal-grid,
  .issue-grid,
  .research-grid,
  .gap-grid,
  .asset-grid,
  .loss-grid,
  .operations-grid,
  .plan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .issue-card-wide {
    grid-column: span 1;
  }

  .solution-layout,
  .command-layout,
  .loss-layout,
  .workflow-layout,
  .faq-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .flow-diagram {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .flow-arrow {
    width: 2px;
    height: 34px;
    justify-self: center;
  }

  .flow-arrow::after {
    right: auto;
    left: 50%;
    top: auto;
    bottom: -1px;
    transform: translateX(-50%) rotate(45deg);
  }

  .demo-panel,
  .diagnosis-output,
  .sticky-heading {
    position: static;
  }

  .operations-header {
    display: block;
  }

  .text-link {
    margin-top: 18px;
  }
}

@media (max-width: 760px) {
  body.has-open-nav {
    overflow: hidden;
  }

  .site-header {
    min-height: 66px;
    padding: 0 18px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 18px;
    right: 18px;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius);
    background: rgba(8, 31, 26, 0.98);
    padding: 8px;
    box-shadow: 0 24px 50px rgba(8, 31, 26, 0.32);
    max-height: calc(100svh - 86px);
    overflow-y: auto;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    min-height: 46px;
    display: flex;
    align-items: center;
    padding: 0 12px;
  }

  .nav-cta {
    justify-content: center;
    margin-top: 6px;
  }

  .hero {
    min-height: 86svh;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(5, 31, 26, 0.9) 0%, rgba(5, 31, 26, 0.74) 100%),
      linear-gradient(0deg, rgba(5, 31, 26, 0.42), rgba(5, 31, 26, 0.04));
  }

  .hero-image {
    object-position: 58% center;
  }

  .hero-content {
    padding: 108px 0 54px;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }

  .hero-points span {
    width: 100%;
  }

  .section,
  .contact-section {
    padding: var(--section-y-mobile) 0;
  }

  .section-heading h2,
  .operations-header h2,
  .contact-layout h2 {
    font-size: 2rem;
  }

  .signal-grid,
  .issue-grid,
  .research-grid,
  .gap-grid,
  .asset-grid,
  .loss-grid,
  .operations-grid,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .signal-grid p {
    min-height: auto;
  }

  .issue-card,
  .research-card,
  .gap-card,
  .asset-card,
  .loss-card,
  .operation-card,
  .plan-card {
    min-height: auto;
  }

  .decision-item {
    grid-template-columns: 1fr;
  }

  .decision-item > strong {
    justify-self: start;
  }

  .flow-core {
    min-height: auto;
  }

  .schedule {
    grid-template-columns: 44px repeat(3, minmax(0, 1fr));
    gap: 7px;
    padding: 14px;
  }

  .time-col,
  .day-col {
    grid-template-rows: 24px repeat(4, 38px);
    gap: 7px;
  }

  .time-col {
    padding-top: 31px;
    grid-template-rows: repeat(4, 38px);
  }

  .slot {
    min-height: 38px;
  }

  .insight-box {
    margin: 0 14px 14px;
  }

  .footer-layout {
    display: grid;
  }

  .footer-layout p {
    text-align: left;
  }
}

@media (max-width: 420px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .brand {
    font-size: 0.95rem;
  }

  .hero h1 {
    font-size: 1.95rem;
  }

  .section-heading h2,
  .operations-header h2,
  .contact-layout h2 {
    font-size: 1.78rem;
  }

  .issue-card,
  .research-card,
  .gap-card,
  .asset-card,
  .loss-card,
  .flow-column,
  .flow-core,
  .decision-item,
  .operation-card,
  .plan-card,
  .contact-form {
    padding: 20px;
  }

  .solution-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .solution-icon {
    width: 40px;
    height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media print {
  @page {
    size: A4;
    margin: 10mm;
  }

  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  html,
  body {
    background: #fff;
  }

  .skip-link,
  .nav-toggle {
    display: none !important;
  }

  .site-header {
    position: absolute;
    min-height: 58px;
    padding: 0 18px;
  }

  .site-nav {
    gap: 14px;
    font-size: 0.78rem;
  }

  .hero {
    min-height: 620px;
    break-after: page;
  }

  .hero-content {
    padding: 104px 0 48px;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .signal-band {
    break-after: auto;
  }

  .signal-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .signal-grid p {
    min-height: 86px;
    padding: 16px 14px;
  }

  .section {
    padding: 42px 0;
    break-before: auto;
  }

  .contact-section {
    padding: 42px 0 34px;
    break-before: page;
    page-break-before: always;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .section-heading h2,
  .operations-header h2,
  .contact-layout h2 {
    font-size: 1.72rem;
  }

  .research-grid,
  .asset-grid,
  .gap-grid,
  .loss-grid,
  .operations-grid,
  .plan-grid,
  .issue-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .research-card,
  .asset-card,
  .gap-card,
  .loss-card,
  .decision-item,
  .flow-column,
  .flow-core,
  .operation-card,
  .plan-card,
  .issue-card {
    min-height: auto;
    padding: 18px;
    break-inside: avoid;
  }

  .command-layout,
  .loss-layout {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .decision-board,
  .flow-diagram,
  .diagnosis-output {
    break-inside: avoid;
  }

  .decision-item {
    grid-template-columns: 90px minmax(0, 1fr) 52px;
  }

  .flow-diagram {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .flow-arrow {
    width: 2px;
    height: 30px;
    justify-self: center;
  }

  .flow-arrow::after {
    right: auto;
    left: 50%;
    top: auto;
    bottom: -1px;
    transform: translateX(-50%) rotate(45deg);
  }

  .flow-core {
    min-height: 160px;
  }

  .matrix-wrapper {
    overflow: visible;
    break-inside: avoid;
  }

  .operations-matrix {
    min-width: 0;
    font-size: 0.72rem;
  }

  .operations-matrix th,
  .operations-matrix td {
    padding: 10px;
  }

  .solution-layout,
  .workflow-layout,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .contact-layout {
    grid-template-columns: minmax(230px, 0.82fr) minmax(0, 1fr);
    gap: 24px;
  }

  .demo-panel,
  .sticky-heading {
    position: static;
  }

  .demo-panel,
  .decision-board,
  .contact-form,
  .diagnosis-output,
  .flow-core,
  .featured-plan {
    box-shadow: none;
  }

  .contact-form {
    gap: 10px;
    padding: 18px;
    break-inside: avoid;
  }

  .contact-form input,
  .contact-form select {
    min-height: 40px;
  }

  details,
  details > p {
    display: block;
  }

  details {
    break-inside: avoid;
  }

  summary::after {
    display: none;
  }

  .site-footer {
    break-inside: avoid;
  }
}

/* === appsnavi標準化で追加: 開発中・誠実性表示 / フッター強化 / legal・404 === */

/* 開発中バッジ (ヒーロー: 暗背景の上) */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 6px 14px;
  border: 1px solid rgba(242, 184, 75, 0.7);
  border-radius: 999px;
  background: rgba(242, 184, 75, 0.14);
  color: #ffe2a6;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.hero-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}

/* ヒーロー下の注記 (開発中/イメージのディスクレーマ) */
.hero-note {
  max-width: 700px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  line-height: 1.7;
}

/* モック画面の「※イメージ」キャプション (明背景カード内) */
.mock-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.6;
}

.decision-board .mock-note,
.demo-panel .mock-note {
  padding: 4px 18px 16px;
}

/* フッター: 運営表記・privacyリンク・ディスクレーマ */
.footer-meta {
  margin: 0;
  text-align: right;
  font-size: 0.86rem;
  line-height: 1.7;
}

.footer-meta a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: #fff;
}

.footer-disclaimer {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.76rem;
  line-height: 1.65;
}

/* プライバシーポリシー (legal) */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 104px 22px 80px;
}

.legal h1 {
  margin: 0 0 6px;
  font-size: 2rem;
  font-weight: 900;
}

.legal-date {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 0.88rem;
}

.legal h2 {
  margin: 34px 0 10px;
  font-size: 1.18rem;
  font-weight: 900;
}

.legal h3 {
  margin: 22px 0 8px;
  font-size: 1.02rem;
  font-weight: 800;
}

.legal p {
  margin: 0 0 12px;
}

.legal ul {
  margin: 0 0 12px;
  padding-left: 1.2em;
}

.legal li {
  list-style: disc;
  margin: 0 0 6px;
}

.legal a {
  color: var(--teal-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 404 */
.notfound {
  max-width: 640px;
  margin: 0 auto;
  padding: 128px 22px 120px;
  text-align: center;
}

.notfound h1 {
  margin: 0 0 8px;
  font-size: 4rem;
  font-weight: 900;
  color: var(--teal);
}

.notfound p {
  margin: 0 0 24px;
  color: var(--muted);
}

/* === 改善チーム反映で追加: ユーティリティ/補助コピー === */

/* スクリーンリーダー専用(視覚的非表示) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ヒーロー主CTA直下の不安解消マイクロコピー */
.hero-cta-note {
  margin: 14px 0 0;
  max-width: 36em;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* signal-band の文脈見出し(グリッド全幅・暗背景の上) */
.signal-lead {
  grid-column: 1 / -1;
  min-height: 0;
  margin: 0;
  padding: 18px 18px 4px;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

/* 課題セクション末尾のブリッジCTA */
.research-cta {
  margin: 28px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.96rem;
}

.research-cta .text-link {
  margin-left: 6px;
}

/* 404 の補助リンク一覧 */
.notfound-links {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}